Water-soluble nutrients stored in blood are routed directly from the small intestine through the portal vein to the liver before any other organ. The portal vein or hepatic portal vein is a blood vessel which carries blood from the GI tract, to the liver. The blood contains nutrients and toxins extracted from digested contents. The portal vein is not a true vein, since it conducts blood to capillary beds in the liver and not directly to the heart. It is the main component of the hepatic portal system.
B. Subgroups
<span>When constructing a dichotomous key, the first step is to look at the group of objects or organisms and separate them into two groups based on a single distinguishing characteristic. Then continue to separate each of the groups until each object has its own separate set of characteristics.</span>
Its sending a visual stimulus to a potential mate
Answer:(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? ... (The energy station of the cells, called mitochondria, process oxygen to power the cells. As part of the combustion process, carbon dioxide is released.)hope it helped in someway ig idk
Explanation:
